Patents for H04R 1 - Details of transducers (42,173) |
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02/15/1996 | WO1996004764A1 Apparatus including a loudspeaker unit, loudspeaker unit, and housing for a loudspeaker unit |
02/14/1996 | EP0696435A2 Utrasonic probe |
02/14/1996 | CN1116800A 显示设备 Display device |
02/13/1996 | US5491756 System for delivering sound to and monitoring effects on a fetus |
02/13/1996 | US5491747 Noise-cancelling telephone handset |
02/13/1996 | US5490599 Long multi-position microphone support stand |
02/13/1996 | CA2069815C Protective helmet containing an integral transceiver |
02/08/1996 | WO1996003847A1 An audio interface garment and communication system for use therewith |
02/08/1996 | DE4439461C1 Built-in loudspeaker housing for in-car stereo system |
02/07/1996 | EP0696155A1 Method and acoustic system for sonification of enclosed and open spaces |
02/07/1996 | CN2219572Y Hydrophone |
02/07/1996 | CN2219571Y Active mechanoelectric-servo-speaker |
02/06/1996 | US5490219 Noise canceling microphone with visual feedback |
02/06/1996 | US5488956 Ultrasonic transducer array with a reduced number of transducer elements |
02/01/1996 | WO1996003011A1 Movable boom mounting device |
01/31/1996 | CN1116036A Gradient directional microphone system and method thereof |
01/31/1996 | CN1116035A Loudspeaker system |
01/30/1996 | US5488657 Apparatus for and method of operating an automatic log on/log off circuit in a telephone system by disconnecting a headset |
01/25/1996 | WO1996002119A1 Tri-laterally supported post-auricle communications headset |
01/25/1996 | DE4426995A1 Permanent dynamic loudspeaker with cylindrical radiation pattern |
01/24/1996 | CN1115556A Production of vibrating objects used in electric acoustic exchanger |
01/17/1996 | EP0692923A1 Selective sound pick-up device for reflecting and noisy environment |
01/17/1996 | EP0692922A2 Cabinet for bass-loudspeaker |
01/17/1996 | EP0692921A1 Sound pick-up device by an electret microphone |
01/17/1996 | EP0692169A1 Unidirectional ear microphone with multiple openings |
01/17/1996 | EP0692105A1 Method of simultaneous recording of pictures and sound and a camera for carrying out the method |
01/17/1996 | CN2217861Y Phase-reversal loudspeaking device |
01/17/1996 | CN1115167A Earphone |
01/16/1996 | US5485521 Audio mirror speaker |
01/11/1996 | WO1996001031A1 Method and device for feeling acoustic vibration |
01/11/1996 | WO1996000522A1 Ultrasonic transducer probe with axisymmetric lens |
01/11/1996 | DE4422767A1 Headphone strap for set of ear muffs and/or earphones |
01/11/1996 | CA2170382A1 Method and device for feeling acoustic vibration |
01/10/1996 | EP0682853A4 Loudspeaker system. |
01/10/1996 | CN1114817A Apparatus for cross fading sound imaging positions during playback over headphones |
01/09/1996 | US5483367 Transmitting and receiving apparatus for a radio headphone |
01/09/1996 | US5482232 Apparatus and method for wall-mounted hardware system |
01/04/1996 | WO1996000488A1 Use of a fluid flow measuring device as a microphone and system comprising such a microphone |
01/04/1996 | DE4443451C1 Microphone holder e.g. for entertainers |
01/04/1996 | CA2193956A1 Use of a fluid flow measuring device as a microphone and system comprising such a microphone |
01/03/1996 | EP0690657A2 A directional microphone system |
01/03/1996 | EP0690656A2 Long-time balancing of omni microphones |
01/03/1996 | EP0690655A2 Direction finder |
01/03/1996 | EP0690654A2 Ergonomic ear-mounted headset |
01/03/1996 | CN1114479A Single diaphragm second order differential microphone assembly |
01/02/1996 | US5479930 Ultrasonic transesophageal probe with articulation control for the imaging and diagnosis of multiple scan planes |
12/31/1995 | CA2151002A1 Ergonomic ear mounted headset |
12/31/1995 | CA2149680A1 Direction finder |
12/27/1995 | EP0689372A1 Loudspeaker with integrated capacitor |
12/27/1995 | EP0688199A1 Cover for a sealing ring of an earmuff |
12/26/1995 | US5479521 Piezoceramic capsule for telephone instruments |
12/26/1995 | US5479520 Loudspeaker system |
12/26/1995 | US5479377 Transducer device |
12/26/1995 | US5477736 Ultrasonic transducer with lens having electrorheological fluid therein for dynamically focusing and steering ultrasound energy |
12/21/1995 | WO1995035011A1 Integral radio and infrared assistive listening device |
12/20/1995 | EP0688143A2 Supra aural active noise reduction headphones |
12/20/1995 | EP0688142A2 Acoustic resistance, especially for electroacoustical transducer |
12/20/1995 | EP0687403A1 Fluid damped acoustic enclosure system |
12/20/1995 | CN2215788Y Disposable sanitary cover for microphone |
12/20/1995 | CN1113644A Frequency Q-value balancing method for electric audio system |
12/20/1995 | CN1113627A Noise-canceling differential microphone assembly |
12/19/1995 | US5477270 Distance-adaptive microphone for video camera |
12/14/1995 | WO1995034184A1 A personal hands free communications device |
12/14/1995 | WO1995034183A1 Method of creating an acoustic field and associated acoustic system |
12/14/1995 | DE4423945A1 Headphone with slotted fork on earpiece for end of headband |
12/14/1995 | DE4423495C1 Mounting for multiple acceleration transducers |
12/14/1995 | DE4419822A1 Loudspeaker housing using plastics material for simple mfg. process |
12/13/1995 | EP0687127A1 Protection device for telephone handsets |
12/13/1995 | EP0686985A1 Coil assemblies |
12/13/1995 | CN2215166Y Desk stereo speaker capable of mounting to bicycle |
12/12/1995 | US5475764 Bandpass woofer and method |
12/12/1995 | US5474074 Low profile transducer for intravascular ultrasound imaging and method for mounting |
12/07/1995 | WO1995033356A1 Loudspeaker, in particular in the form of a column |
12/07/1995 | WO1995033355A1 Sound feeling device, playing device, method of controlling the playing device, playing device using light beam, and acoustic device |
12/07/1995 | WO1995033258A1 Process and device for generating spherical waves in the ultrasound range |
12/07/1995 | CA2191695A1 Process and device for generating spherical waves in the ultrasound range |
12/06/1995 | EP0685986A2 Near-field reproduction of binaurally encoded signals |
12/06/1995 | CN2214723Y Integrally-combined speaker made of artificial agate |
12/06/1995 | CN1113066A Loud-speak system |
12/05/1995 | US5473701 Adaptive microphone array |
12/05/1995 | US5473700 High gain acoustic transducer |
12/05/1995 | US5473684 Noise-canceling differential microphone assembly |
11/30/1995 | WO1995032602A1 Sound generating device |
11/30/1995 | WO1995032600A1 Noise shielding ear-piece |
11/30/1995 | CA2167318A1 Sound generating device |
11/29/1995 | EP0684748A2 Microphone/loudspeakers and systems using multiple microphone/loudspeakers |
11/28/1995 | US5471538 Microphone apparatus |
11/28/1995 | US5471019 Multiple chamber loudspeaker system |
11/28/1995 | US5471018 Audio or video apparatus with a built-in loudspeaker |
11/26/1995 | CA2124231A1 Noise shielding ear-piece |
11/23/1995 | WO1995031805A1 Multimedia personal computer with active noise reduction and piezo speakers |
11/22/1995 | EP0683621A2 Transmitter-receiver having ear-piece type acoustic transducing part |
11/22/1995 | EP0682853A1 Loudspeaker system |
11/22/1995 | EP0682836A1 Sound localization system for teleconferencing using self-steering microphone arrays |
11/22/1995 | CN1112348A Balance sound box |
11/22/1995 | CN1112329A Microphone of video camera |
11/21/1995 | US5469511 Method and apparatus for presentation of on-line directional sound |
11/21/1995 | US5469505 Communications headset having a ball joint-mounted receiver assembly |
11/21/1995 | US5468922 Supported vehicle electroacoustical transducing |
11/16/1995 | WO1995031083A1 Airborne sensor for listening to acoustic signals |